@inproceedings{prabhakaran-boguraev-2015-learning,
    title = "Learning Structures of Negations from Flat Annotations",
    author = "Prabhakaran, Vinodkumar  and
      Boguraev, Branimir",
    editor = "Palmer, Martha  and
      Boleda, Gemma  and
      Rosso, Paolo",
    booktitle = "Proceedings of the Fourth Joint Conference on Lexical and Computational Semantics",
    month = jun,
    year = "2015",
    address = "Denver, Colorado",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/S15-1008/",
    doi = "10.18653/v1/S15-1008",
    pages = "71--81"
}